Work

Towards the two-loop electroweak corrections to the Drell-Yan process: the complete fermionic contributions

Year: 2026

Type: article

Abstract: A bstract We discuss the production of a lepton pair in quark-antiquark annihilation in the electroweak Standard Model. We present the ultraviolet-renormalised and infrared-subtracted finite contribution of the complete set of second-order virtual corrections with a closed fermionic loop, to the cross section of the process $$u\overline{u}\to {\mu }^{+}{\mu }^{-}$$ . The evaluation of these contributions is based on an automated methodology, whose validity is discussed with explicit tests. These corrections are one of the building blocks necessary for the simulation of the inclusive lepton-pair production cross section at next-to-next-to-leading order in the electroweak interaction.

Source: Journal of High Energy Physics

DOI: 10.1007/jhep10(2026)058

Authors: Tommaso Armadillo, Simone Devoto, Michele Dradi, Alessandro Vicini

Institutions: University of Milan, Istituto Nazionale di Fisica Nucleare, Sezione di Milano, UCLouvain, Ghent University

Language: English

Topic: Particle physics theoretical and experimental studies

Subfield: Nuclear and High Energy Physics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: diamond

Funders: European Commission, Fonds De La Recherche Scientifique - FNRS, Fonds Wetenschappelijk Onderzoek

Award: High precision for associated top quark production